Home / 3,559,968.54-4,912,780.17-1,928,375.91

Finding the Fourth Proportional to 3,559,968.54, 4,912,780.17 and 1,928,375.91

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Solution

The fourth proportional to 3,559,968.54, 4,912,780.17 and 1,928,375.91 is: 2,661,171.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559,968.54 : 4,912,780.17 = 1,928,375.91 : x
  2. Step 2: Convert to fraction form
    3,559,968.54/4,912,780.17 = 1,928,375.91/x
  3. Step 3: Cross multiply
    3,559,968.54x = 4,912,780.17 × 1,928,375.91
  4. Step 4: Simplify right side
    3,559,968.54x = 9,473,686,930,953.71
  5. Step 5: Solve for x
    x = 9,473,686,930,953.71/3,559,968.54
  6. Step 6: Final answer
    x = 2,661,171.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.